As the core doctrine of Buddhism, “non-self” has always been a perplexing and controversial thesis. This paper develops an original model to reveal the principle of “non-self” on the basis of both the scientific mechanism behind Buddhist meditation and the empirical materials of Theravāda Buddhism.
In “The Science behind Buddhist Meditation”, we proposed that the nature of vipassanā is enhanced awareness induced in meditation (after samādhi), which makes contemplating the five aggregates possible, just like “watching” a slow-motion film.
According to Thanissaro Bhikkhu, Rupert Gethin, Sue Hamilton and Alexander Wynne, different from the traditional mainstream view that the individual person consists of five ever-changing aggregates, the five aggregates should be regarded as descriptions of the individual’s subjective experience. We further argue that the five aggregates should be viewed directly as a stream of moments of awareness or consciousness.
According to P. A. Payutto, when we regard each aggregate as an “awareness” which is the state of being conscious of something, then contemplating the five aggregates would reveal the existence of “awareness of awareness”. For instance, when one feels happy, one knows that one is happy. (Note that feeling happy is not the same as knowing that one feels happy.)
Furthermore, inspired by Ajahn Brahm’s insightful “fruit salad simile” which describes experiences in Theravāda Buddhist meditation, we develop an original model to interpret “non-self” by introducing “awareness of awareness” out of the framework of the five aggregates: contemplating the five aggregates would discern that “awareness of awareness” arises a moment after each aggregate and they do not appear simultaneously.
Thus, it is clear that the notion that there is a constant entity always there knowing or experiencing all aggregates just results from the alternation of “awareness” (or “aggregates”) and “awareness of awareness”, something that under ordinary conditions happens very quickly. (That’s like a torch spinning so fast that it looks like a solid ring of fire exists.)
This would lead to the insight of “non-self”: no subject (or mental entity) of awareness at all.
At the same time, this model bridges Buddhism and Western philosophy, demonstrating that mental entity does not exist. (The “self” in Buddhism’s “non-self” is actually the “I” in Descartes’ “I think, therefore I am.”)